Saturday, 17 May 2008

Larynx structure and larynx cancer brief introduction

The structure of the larynx

Larynx calls a box again, Be located on neck forepart, link the part of windpipe.The male's larynx is bigger and usually be called "larynx pit".

The larynx has three important functions:

A. Send to the air which is inhale by the nose and the mouth cavity a lung department;
Two. Exertive live the function of door, keep food and beverage from inhale windpipe while swallow;
Three. It includes two vocal cords and be us to talk, the vocal cord flows through in the air vibrate, produce a sound thus.

Larynx cancer brief introduction

The larynx cancer is the malignant tumor which produces in the throat part.The larynx cancer starts hair position to is divided into 3 types according to the tumor:Voice larynx cancer with last door, voice door cancer, harmony door next larynx cancer.Most familiarly belong to the voice which starts hair in the vocal cord a door cancer.

The occurrence cause of disease of larynx cancer is still not clear and distinct.But the outbreak of larynx cancer with some badly living habit have a close connection.The person, who investigate to discover, in great quantities smoke cigarette and drink, suffers from the opportunity of larynx cancer bigger.Excesssive usage vocal cord(much relate to because of occupation), long-term edible betel nut etc. will increase an opportunity of suffer from the larynx cancer.The larynx cancer sufferer is mainly a middle age and old people and to compare with woman, the man alters to suffer from a larynx cancer.Just as other cancers, the larynx cancer will not infect.

The good hair age of larynx cancer is 50~70 years old.The patient is much a male.The most familiar pathologic appearance is the scale form cell cancer and share all larynx cancer above 90% of the case.A handful of patients suffer from the cancer and gland cancer etc. of the base cell.Most familiarly belong to the voice which starts hair in the vocal cord a door cancer.If can attain to early discover, early diagnose and early cure, the voice of the earlier period door cancer through surgical operation or the empress of single emanation treatment of the cure rate be very high and having no lump livability can reach to above 90% for five years of patient.

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